Finding the Fourth Proportional to 76,774,372.14, 115,161,558.52 and 25,656,390.96
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Solution
The fourth proportional to 76,774,372.14, 115,161,558.52 and 25,656,390.96 is: 38,484,586.54
Step by Step Solution
- Step 1: Write the proportion equation
76,774,372.14 : 115,161,558.52 = 25,656,390.96 : x - Step 2: Convert to fraction form
76,774,372.14/115,161,558.52 = 25,656,390.96/x - Step 3: Cross multiply
76,774,372.14x = 115,161,558.52 × 25,656,390.96 - Step 4: Simplify right side
76,774,372.14x = 2,954,629,968,952,039 - Step 5: Solve for x
x = 2,954,629,968,952,039/76,774,372.14 - Step 6: Final answer
x = 38,484,586.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.